DIN-Rail AC UPS Systems

Shop DIN-rail AC uninterruptible power supplies designed to provide compact battery-backed AC power inside industrial control panels and automation systems. These UPS systems can support controls, communication equipment, instrumentation and other AC-powered devices during short-duration power interruptions.

Compare DIN-rail AC UPS systems by input and output voltage, VA and watt capacity, battery runtime, rail width, operating temperature and communication features. Confirm the connected load and required runtime before selecting the UPS and battery configuration.

How to Select a DIN-Rail AC UPS

DIN-rail AC UPS systems combine battery backup with a mounting format suited to industrial control panels. They are useful where AC-powered devices must remain operational temporarily during an interruption without installing a conventional rack or tower UPS.

The complete system may include the UPS electronics, internal or external batteries and optional communication or signaling accessories. Review whether the selected UPS includes its battery or requires a separate battery module.

Important Selection Factors

• Input voltage: Match the available AC control-panel supply.
• Output voltage: Confirm the voltage required by the connected AC loads.
• Load capacity: Compare both watt and VA ratings against the actual equipment load.
• Battery runtime: Determine how long the connected equipment must remain operational.
• DIN-rail space: Confirm the available rail width and enclosure dimensions.
• Battery configuration: Verify whether batteries are internal, external or separately ordered.
• Operating temperature: Account for control-panel temperature and battery-temperature limits.
• Monitoring: Review status contacts and communication options if remote indication is required.

Replacement Checklist

• Manufacturer and complete UPS part number
• Input and output voltage
• Connected load in watts and VA
• Required runtime
• DIN-rail and enclosure space
• Battery model and configuration
• Required signaling or communication functions